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Finding the Fourth Proportional to 344,969.77, 517,418.27 and 92,275.76

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Solution

The fourth proportional to 344,969.77, 517,418.27 and 92,275.76 is: 138,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,969.77 : 517,418.27 = 92,275.76 : x
  2. Step 2: Convert to fraction form
    344,969.77/517,418.27 = 92,275.76/x
  3. Step 3: Cross multiply
    344,969.77x = 517,418.27 × 92,275.76
  4. Step 4: Simplify right side
    344,969.77x = 47,745,165,514.38
  5. Step 5: Solve for x
    x = 47,745,165,514.38/344,969.77
  6. Step 6: Final answer
    x = 138,403.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.